/*
 * Sonatype Nexus (TM) Open Source Version
 * Copyright (c) 2008-present Sonatype, Inc.
 * All rights reserved. Includes the third-party code listed at http://links.sonatype.com/products/nexus/oss/attributions.
 *
 * This program and the accompanying materials are made available under the terms of the Eclipse Public License Version 1.0,
 * which accompanies this distribution and is available at http://www.eclipse.org/legal/epl-v10.html.
 *
 * Sonatype Nexus (TM) Professional Version is available from Sonatype, Inc. "Sonatype" and "Sonatype Nexus" are trademarks
 * of Sonatype, Inc. Apache Maven is a trademark of the Apache Software Foundation. M2eclipse is a trademark of the
 * Eclipse Foundation. All other trademarks are the property of their respective owners.
 */
package org.sonatype.nexus.validation.constraint;

import java.net.URI;
import java.net.URISyntaxException;

import javax.validation.ConstraintValidatorContext;

import org.sonatype.nexus.validation.ConstraintValidatorSupport;

import static org.apache.commons.lang.StringUtils.isBlank;

/**
 * Validates a URI.
 *
 * @since 3.21
 */
public class UriStringValidator
    extends ConstraintValidatorSupport<UriString, String>
{
  @Override
  public boolean isValid(final String uri, final ConstraintValidatorContext constraintValidatorContext) {
    if (isBlank(uri)) {
      return true;
    }

    try {
      new URI(uri);
      return true;
    }
    catch (URISyntaxException ignore) { // NOSONAR
      return false;
    }
  }
}
